ZIP Code 49456 — Spring Lake, MI
49456 is a standard (street delivery) ZIP code serving Spring Lake, Michigan, in Ottawa County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 49456 at a glance
| ZIP code | 49456 |
|---|---|
| Primary city | Spring Lake |
| State | Michigan (MI) |
| County | Ottawa FIPS 26139 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Detroit |
| Population | 19,931 |
| Coordinates | 43.090260, -86.193470 |
How ZIP+4 works in 49456
The four digits after the hyphen encode a delivery segment inside 49456. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 49456 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 49456.
| ZIP | City | Distance |
|---|---|---|
| 49409 | Ferrysburg, MI | 1.4 mi |
| 49417 | Grand Haven, MI | 5.8 mi |
| 49415 | Fruitport, MI | 5.8 mi |
| 49444 | Muskegon, MI | 6 mi |
| 49448 | Nunica, MI | 6 mi |
| 49441 | Muskegon, MI | 7.8 mi |
| 49443 | Muskegon, MI | 9.4 mi |
| 49440 | Muskegon, MI | 10.7 mi |
| 49442 | Muskegon, MI | 10.8 mi |
| 49460 | West Olive, MI | 11 mi |
| 49404 | Coopersville, MI | 12.3 mi |
| 49451 | Ravenna, MI | 14.1 mi |
Questions about 49456
What is the ZIP+4 code for 49456?
49456 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 49456, you need to look up a specific street address to get them.
What city is 49456?
49456 is assigned to Spring Lake, Michigan, in Ottawa County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.